/** * Deletes a document from the index segment. * $id is an internal document id * * @param integer */ public function delete($id) { $this->_deletedDirty = true; if (extension_loaded('bitset')) { if ($this->_deleted === null) { $this->_deleted = bitset_empty($id); } bitset_incl($this->_deleted, $id); } else { if ($this->_deleted === null) { $this->_deleted = array(); } $this->_deleted[$id] = 1; } }
/** * Calculate result vector for non Conjunction query * (like '+something -another') * * @param Zend_Search_Lucene $reader */ private function _calculateNonConjunctionResult($reader) { if (extension_loaded('bitset')) { $required = null; $neither = bitset_empty(); $prohibited = bitset_empty(); foreach ($this->_terms as $termId => $term) { $termDocs = bitset_from_array($reader->termDocs($term)); if ($this->_signs[$termId] === true) { // required if ($required !== null) { $required = bitset_intersection($required, $termDocs); } else { $required = $termDocs; } } elseif ($this->_signs[$termId] === false) { // prohibited $prohibited = bitset_union($prohibited, $termDocs); } else { // neither required, nor prohibited $neither = bitset_union($neither, $termDocs); } $this->_termsPositions[$termId] = $reader->termPositions($term); } if ($required === null) { $required = $neither; } $this->_resVector = bitset_intersection($required, bitset_invert($prohibited, $reader->count())); } else { $required = null; $neither = array(); $prohibited = array(); foreach ($this->_terms as $termId => $term) { $termDocs = array_flip($reader->termDocs($term)); if ($this->_signs[$termId] === true) { // required if ($required !== null) { // substitute for bitset_intersection foreach ($required as $key => $value) { if (!isset($termDocs[$key])) { unset($required[$key]); } } } else { $required = $termDocs; } } elseif ($this->_signs[$termId] === false) { // prohibited // substitute for bitset_union foreach ($termDocs as $key => $value) { $prohibited[$key] = $value; } } else { // neither required, nor prohibited // substitute for bitset_union foreach ($termDocs as $key => $value) { $neither[$key] = $value; } } $this->_termsPositions[$termId] = $reader->termPositions($term); } if ($required === null) { $required = $neither; } foreach ($required as $key => $value) { if (isset($prohibited[$key])) { unset($required[$key]); } } $this->_resVector = $required; } }